Hello,
I established a connection between my central and peripheral module. Now i want to write characteristic value on peripheral. I tried with sd_ble_gattc_write function...
I am using the NRF24l01 for my products and looking to buy in bulk(100-1000). Now I know where to buy the just the IC but antenna design is a hard point to break right now...
Hi, my friend,
I've been with nrf905. I use a 16-bit CRC check.
But I encountered problems in use:
1.Nrf905 16-bit CRC check format is CRC-16(IBM):X16+X15+X2+1 or other...
I have two custom PCBs, each of which has a microcontroller and an nrf24L01+. Everything related to the transceiver in the designs are complete duplicates (with the exception...
Hello,
I've built a small BLE-device based on the nrf8001.
With my Iphone I can discover this device and I am able to connect to it and listen to notifications of the...
Our pcb is used for gps location data. We have a nrf24L01 nordic chip as the micro process or between the gps module and wireless module (2G). Our engineer needs to capture...
Hey folks,
I'm trying to modify the SPI Master loop back example into a 4 line SPI Master_Slave program. Whenever I change the Tx_Buffer_lenght from 10 to lsome other numbers...
Hello! I'm trying to use the PWM on a board containing an nRF51822 device. However, simply including the nrf_pwm.h file multiple errors are trigered, such as the following...
Hi everybody !
I try to use nrf52 DK with OSX
I follow this link
devzone.nordicsemi.com/.../
and I have a problem with this step :
launchpad.net/.../ download
...
hi,
i tried to make a ac dimmer circuit controlled with dc
i use nrf51822
this is my dimmer circuit
aaand this one is zero crossing detector
finally this...
I've been puzzled after looking at the current draw figures for the nRF52832. If the advertising interval is supposed to be 20ms.
Can someone explain why the advertising...
I have followup question to the one asked in this thread:
devzone.nordicsemi.com/.../
I'm also using the device manager in DFU so that I need both the pstorage_raw and...
Hi !
I'm working with the pca10040 and nRF5_SDK_11.0.0_89a8197.
I tried to run the DFU bootloader example with SEGGER Embedded Studio 2.2 ( following this tutorial ).
...
"I need to analyse,what is the array of hex values corresponds to.
#define SETUP_MESSAGES_CONTENT {\ {0x00,\ {\ 0x07,0x06,0x00,0x00,0x03,0x02,0x41,0xfe,\ },\ },\
0x07...
Hi all,
BACKGROUND:
I'm working on a project where we use the nRF51, and our first prototype boards just arrived.
So I've made some power measurements trying to calculate...
Hi,
Currently i am using ble app uart as a reference example and nus service with soft device S130 for our project. I want to use multi role example (central and peripheral...
Hi !
I'm trying to run the BLE bootloader example ( here ). I succesfully programmed the SoftDevice and the DFU bootloader :
The device start in bootloader mode ...
Hi, few days ago when I attach the nRf51-DK and try to read the content, the nrfgo software freezes or crashes.
If it freezes i can see clearly the content stack of the...
Does anyone know what's the maximum acceptable input timeout_ticks of function
uint32_t app_timer_start(app_timer_id_t timer_id, uint32_t timeout_ticks, void * p_context...
Hello,
I really need the ability to switch between different advertising messages. Could you please (please!) add a callback after an advertising message has been sent...
